* directory or online at http://www.openafs.org/dl/license10.html
*/
+#include <afsconfig.h>
#include <afs/param.h>
+#include <roken.h>
+
#include <afs/afs_args.h>
#include <afs/stds.h>
-#ifndef DJGPP
#include <windows.h>
#include <winsock2.h>
-#else
-#include <sys/socket.h>
-#endif /* !DJGPP */
#include <malloc.h>
#include <string.h>
#include <stdlib.h>
+#include "afsd.h"
+#include "smb.h"
#include <osi.h>
+#include <rx_pthread.h>
-#include "afsd.h"
+#include <WINNT/syscfg.h>
+#include <WINNT/afsreg.h>
-/*extern void afsi_log(char *pattern, ...);*/
+int
+SRXAFSCB_InitCallBackState3(struct rx_call *callp, afsUUID* serverUuid);
/* read/write lock for all global storage in this module */
osi_rwlock_t cm_callbackLock;
+afs_int32 cm_OfflineROIsValid = 0;
+
+afs_int32 cm_giveUpAllCBs = 0;
+
+afs_int32 cm_shutdown = 0;
+
#ifdef AFS_FREELANCE_CLIENT
extern osi_mutex_t cm_Freelance_Lock;
#endif
lock_ObtainWrite(&cm_callbackLock);
osi_Log3(afsd_logp, "RecordRacingRevoke Volume %d Flags %lX activeCalls %d",
- fidp->volume, cancelFlags, cm_activeCallbackGrantingCalls);
+ fidp ? fidp->volume : 0, cancelFlags, cm_activeCallbackGrantingCalls);
if (cm_activeCallbackGrantingCalls > 0) {
rp = malloc(sizeof(*rp));
*/
void cm_CallbackNotifyChange(cm_scache_t *scp)
{
- osi_Log2(afsd_logp, "CallbackNotifyChange FileType %d Flags %lX",
- scp->fileType, scp->flags);
+ DWORD dwDelay = 0;
+ HKEY hKey;
+ DWORD dummyLen;
+
+ /* why does this have to query the registry each time? */
+ if (RegOpenKeyEx( HKEY_LOCAL_MACHINE,
+ AFSREG_CLT_OPENAFS_SUBKEY,
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hKey) == ERROR_SUCCESS) {
+
+ dummyLen = sizeof(DWORD);
+ RegQueryValueEx(hKey, "CallBack Notify Change Delay", NULL, NULL,
+ (BYTE *) &dwDelay, &dummyLen);
+ RegCloseKey(hKey);
+ }
+
+ if (dwDelay > 5000) /* do not allow a delay of more then 5 seconds */
+ dwDelay = 5000;
+ osi_Log3(afsd_logp, "CallbackNotifyChange FileType %d Flags %lX Delay %dms",
+ scp->fileType, scp->flags, dwDelay);
+
+ if (dwDelay)
+ Sleep(dwDelay);
+
+ /* for directories, this sends a change notification on the dir itself */
if (scp->fileType == CM_SCACHETYPE_DIRECTORY) {
if (scp->flags & CM_SCACHEFLAG_ANYWATCH)
smb_NotifyChange(0,
FILE_NOTIFY_GENERIC_DIRECTORY_FILTER,
scp, NULL, NULL, TRUE);
} else {
+ /* and for files, this sends a change notification on the file's parent dir */
cm_fid_t tfid;
cm_scache_t *dscp;
- tfid.cell = scp->fid.cell;
- tfid.volume = scp->fid.volume;
- tfid.vnode = scp->parentVnode;
- tfid.unique = scp->parentUnique;
+ cm_SetFid(&tfid, scp->fid.cell, scp->fid.volume, scp->parentVnode, scp->parentUnique);
dscp = cm_FindSCache(&tfid);
- if (dscp &&
- dscp->flags & CM_SCACHEFLAG_ANYWATCH)
+ if ( dscp &&
+ dscp->flags & CM_SCACHEFLAG_ANYWATCH )
smb_NotifyChange( 0,
FILE_NOTIFY_GENERIC_FILE_FILTER,
- dscp, NULL, NULL, TRUE);
- if (dscp) cm_ReleaseSCache(dscp);
+ dscp, NULL, NULL, TRUE);
+ if (dscp)
+ cm_ReleaseSCache(dscp);
}
}
*
* The callp parameter is currently unused.
*/
-void cm_RevokeCallback(struct rx_call *callp, AFSFid *fidp)
+void cm_RevokeCallback(struct rx_call *callp, cm_cell_t * cellp, AFSFid *fidp)
{
cm_fid_t tfid;
cm_scache_t *scp;
long hash;
- /* don't bother setting cell, since we won't be checking it (to aid
- * in working with multi-homed servers: we don't know the cell if we
- * don't recognize the IP address).
- */
- tfid.cell = 0;
+ tfid.cell = cellp ? cellp->cellID : 0;
tfid.volume = fidp->Volume;
tfid.vnode = fidp->Vnode;
tfid.unique = fidp->Unique;
hash = CM_SCACHE_HASH(&tfid);
- osi_Log3(afsd_logp, "RevokeCallback vol %d vn %d un %d",
+ osi_Log3(afsd_logp, "RevokeCallback vol %u vn %u uniq %u",
fidp->Volume, fidp->Vnode, fidp->Unique);
/* do this first, so that if we're executing a callback granting call
/* do all in the hash bucket, since we don't know how many we'll find with
* varying cells.
*/
- for (scp = cm_hashTablep[hash]; scp; scp=scp->nextp) {
+ for (scp = cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
if (scp->fid.volume == tfid.volume &&
scp->fid.vnode == tfid.vnode &&
- scp->fid.unique == tfid.unique) {
+ scp->fid.unique == tfid.unique &&
+ (cellp == NULL || scp->fid.cell == cellp->cellID) &&
+ cm_HaveCallback(scp))
+ {
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- osi_Log1(afsd_logp, "Discarding SCache scp %x", scp);
- lock_ObtainMutex(&scp->mx);
+ osi_Log4(afsd_logp, "RevokeCallback Discarding SCache scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
+
+ lock_ObtainWrite(&scp->rw);
cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
+
cm_CallbackNotifyChange(scp);
+
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
}
}
lock_ReleaseWrite(&cm_scacheLock);
+
+ osi_Log3(afsd_logp, "RevokeCallback Complete vol %u vn %u uniq %u",
+ fidp->Volume, fidp->Vnode, fidp->Unique);
+}
+
+static __inline void
+cm_callbackDiscardROVolumeByFID(cm_fid_t *fidp)
+{
+ cm_volume_t *volp = cm_GetVolumeByFID(fidp);
+ if (volp) {
+ cm_PutVolume(volp);
+ if (volp->cbExpiresRO) {
+ volp->cbExpiresRO = 0;
+ if (volp->cbServerpRO) {
+ cm_PutServer(volp->cbServerpRO);
+ volp->cbServerpRO = NULL;
+ }
+ volp->creationDateRO = 0;
+ }
+ }
}
/* called to revoke a volume callback, which is typically issued when a volume
*
* Called with no locks held.
*/
-void cm_RevokeVolumeCallback(struct rx_call *callp, AFSFid *fidp)
+void cm_RevokeVolumeCallback(struct rx_call *callp, cm_cell_t *cellp, AFSFid *fidp)
{
- long hash;
+ unsigned long hash;
cm_scache_t *scp;
cm_fid_t tfid;
- osi_Log1(afsd_logp, "RevokeVolumeCallback %d", fidp->Volume);
+ osi_Log1(afsd_logp, "RevokeVolumeCallback vol %d", fidp->Volume);
/* do this first, so that if we're executing a callback granting call
* at this moment, we kill it before it can be merged in. Otherwise,
* it could complete while we're doing the scan below, and get missed
* by both the scan and by this code.
*/
- tfid.cell = tfid.vnode = tfid.unique = 0;
+ tfid.cell = cellp ? cellp->cellID : 0;
tfid.volume = fidp->Volume;
- cm_RecordRacingRevoke(&tfid, CM_RACINGFLAG_CANCELVOL);
+ tfid.vnode = tfid.unique = 0;
+ cm_RecordRacingRevoke(&tfid, CM_RACINGFLAG_CANCELVOL);
lock_ObtainWrite(&cm_scacheLock);
- for (hash = 0; hash < cm_hashTableSize; hash++) {
- for(scp=cm_hashTablep[hash]; scp; scp=scp->nextp) {
- if (scp->fid.volume == fidp->Volume) {
+ for (hash = 0; hash < cm_data.scacheHashTableSize; hash++) {
+ for(scp=cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
+ if (scp->fid.volume == fidp->Volume &&
+ (cellp == NULL || scp->fid.cell == cellp->cellID) &&
+ scp->cbExpires > 0 &&
+ scp->cbServerp != NULL) {
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- lock_ObtainMutex(&scp->mx);
- osi_Log1(afsd_logp, "Discarding SCache scp %x", scp);
+
+ lock_ObtainWrite(&scp->rw);
+ osi_Log4(afsd_logp, "RevokeVolumeCallback Discarding SCache scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
+
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
+ if (scp->flags & CM_SCACHEFLAG_PURERO)
+ cm_callbackDiscardROVolumeByFID(&scp->fid);
}
} /* search one hash bucket */
} /* search all hash buckets */
lock_ReleaseWrite(&cm_scacheLock);
+
+ osi_Log1(afsd_logp, "RevokeVolumeCallback Complete vol %d", fidp->Volume);
}
+/*
+ * afs_data_pointer_to_int32() - returns least significant afs_int32 of the
+ * given data pointer, without triggering "cast truncates pointer"
+ * warnings. We use this where we explicitly don't care whether a
+ * pointer is truncated -- it loses information where a pointer is
+ * larger than an afs_int32.
+ */
+
+static afs_int32
+afs_data_pointer_to_int32(const void *p)
+{
+ union {
+ afs_int32 i32[sizeof(void *) / sizeof(afs_int32)];
+ const void *p;
+ } ip;
+
+ int i32_sub; /* subscript of least significant afs_int32 in ip.i32[] */
+
+ /* set i32_sub */
+
+ {
+ /* used to determine the byte order of the system */
+
+ union {
+ char c[sizeof(int) / sizeof(char)];
+ int i;
+ } ci;
+
+ ci.i = 1;
+ if (ci.c[0] == 1) {
+ /* little-endian system */
+ i32_sub = 0;
+ } else {
+ /* big-endian system */
+ i32_sub = (sizeof ip.i32 / sizeof ip.i32[0]) - 1;
+ }
+ }
+
+ ip.p = p;
+ return ip.i32[i32_sub];
+}
+/*------------------------------------------------------------------------
+ * EXPORTED SRXAFSCB_CallBack
+ *
+ * Description:
+ * Routine called by the server-side callback RPC interface to
+ * implement passing in callback information.
+ * table.
+ *
+ * Arguments:
+ * rx_call : Ptr to Rx call on which this request came in.
+ * fidsArrayp : Ptr to array of fids involved.
+ * cbsArrayp : Ptr to matching callback info for the fids.
+ *
+ * Returns:
+ * 0 (always).
+ *
+ * Environment:
+ * Nothing interesting.
+ *
+ * Side Effects:
+ * As advertised.
+ *------------------------------------------------------------------------*/
/* handle incoming RPC callback breaking message.
* Called with no locks held.
*/
+int
SRXAFSCB_CallBack(struct rx_call *callp, AFSCBFids *fidsArrayp, AFSCBs *cbsArrayp)
{
int i;
AFSFid *tfidp;
-
- osi_Log0(afsd_logp, "SRXAFSCB_CallBack");
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+ cm_server_t *tsp = NULL;
+ cm_cell_t* cellp = NULL;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+
+ tsp = cm_FindServerByIP(host, port, CM_SERVER_FILE);
+ if (tsp) {
+ cellp = tsp->cellp;
+ cm_PutServer(tsp);
+ }
+
+ if (!cellp)
+ osi_Log2(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+ else
+ osi_Log3(afsd_logp, "SRXAFSCB_CallBack from host 0x%x port %d for cell %s",
+ ntohl(host),
+ ntohs(port),
+ cellp->name /* does not need to be saved, doesn't change */);
+ } else {
+ osi_Log0(afsd_logp, "SRXAFSCB_CallBack from unknown host");
+ }
+
for (i=0; i < (long) fidsArrayp->AFSCBFids_len; i++) {
tfidp = &fidsArrayp->AFSCBFids_val[i];
if (tfidp->Volume == 0)
continue; /* means don't do anything */
else if (tfidp->Vnode == 0)
- cm_RevokeVolumeCallback(callp, tfidp);
+ cm_RevokeVolumeCallback(callp, cellp, tfidp);
else
- cm_RevokeCallback(callp, tfidp);
+ cm_RevokeCallback(callp, cellp, tfidp);
}
-
return 0;
}
+/*------------------------------------------------------------------------
+ * EXPORTED SRXAFSCB_InitCallBackState
+ *
+ * Description:
+ * Routine called by the server-side callback RPC interface to
+ * implement clearing all callbacks from this host.
+ *
+ * Arguments:
+ * rx_call : Ptr to Rx call on which this request came in.
+ *
+ * Returns:
+ * 0 (always).
+ *
+ * Environment:
+ * Nothing interesting.
+ *
+ * Side Effects:
+ * As advertised.
+ *------------------------------------------------------------------------*/
/* called with no locks by RPC system when a server indicates that it has never
* heard from us, or for other reasons has had to discard callbacks from us
* without telling us, e.g. a network partition.
*/
+int
SRXAFSCB_InitCallBackState(struct rx_call *callp)
{
+ if (cm_shutdown)
+ return 1;
+
+ osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState ->");
+
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
+}
+
+/*------------------------------------------------------------------------
+ * EXPORTED SRXAFSCB_Probe
+ *
+ * Description:
+ * Routine called by the server-side callback RPC interface to
+ * implement ``probing'' the Cache Manager, just making sure it's
+ * still there.
+ *
+ * Arguments:
+ * rx_call : Ptr to Rx call on which this request came in.
+ *
+ * Returns:
+ * 0 (always).
+ *
+ * Environment:
+ * Nothing interesting.
+ *
+ * Side Effects:
+ * As advertised.
+ *------------------------------------------------------------------------*/
+int
+SRXAFSCB_Probe(struct rx_call *callp)
+{
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_Probe from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+
+ return 0;
+}
+
+/*------------------------------------------------------------------------
+ * EXPORTED SRXAFSCB_GetLock
+ *
+ * Description:
+ * Routine called by the server-side callback RPC interface to
+ * implement pulling out the contents of a lock in the lock
+ * table.
+ *
+ * Arguments:
+ * a_call : Ptr to Rx call on which this request came in.
+ * a_index : Index of desired lock.
+ * a_result : Ptr to a buffer for the given lock.
+ *
+ * Returns:
+ * 0 if everything went fine,
+ * 1 if we were given a bad index.
+ *
+ * Environment:
+ * Nothing interesting.
+ *
+ * Side Effects:
+ * As advertised.
+ *------------------------------------------------------------------------*/
+/* debug interface */
+
+extern osi_rwlock_t cm_aclLock;
+extern osi_rwlock_t buf_globalLock;
+extern osi_rwlock_t cm_cellLock;
+extern osi_rwlock_t cm_connLock;
+extern osi_rwlock_t cm_daemonLock;
+extern osi_rwlock_t cm_dnlcLock;
+extern osi_rwlock_t cm_scacheLock;
+extern osi_rwlock_t cm_serverLock;
+extern osi_rwlock_t cm_syscfgLock;
+extern osi_rwlock_t cm_userLock;
+extern osi_rwlock_t cm_utilsLock;
+extern osi_rwlock_t cm_volumeLock;
+extern osi_rwlock_t smb_globalLock;
+extern osi_rwlock_t smb_rctLock;
+
+extern osi_mutex_t cm_Freelance_Lock;
+extern osi_mutex_t cm_Afsdsbmt_Lock;
+extern osi_mutex_t tokenEventLock;
+extern osi_mutex_t smb_ListenerLock;
+extern osi_mutex_t smb_RawBufLock;
+extern osi_mutex_t smb_Dir_Watch_Lock;
+
+#define LOCKTYPE_RW 1
+#define LOCKTYPE_MUTEX 2
+static struct _ltable {
+ char *name;
+ char *addr;
+ int type;
+} ltable[] = {
+ {"cm_scacheLock", (char*)&cm_scacheLock, LOCKTYPE_RW},
+ {"buf_globalLock", (char*)&buf_globalLock, LOCKTYPE_RW},
+ {"cm_serverLock", (char*)&cm_serverLock, LOCKTYPE_RW},
+ {"cm_callbackLock", (char*)&cm_callbackLock, LOCKTYPE_RW},
+ {"cm_syscfgLock", (char*)&cm_syscfgLock, LOCKTYPE_RW},
+ {"cm_aclLock", (char*)&cm_aclLock, LOCKTYPE_RW},
+ {"cm_cellLock", (char*)&cm_cellLock, LOCKTYPE_RW},
+ {"cm_connLock", (char*)&cm_connLock, LOCKTYPE_RW},
+ {"cm_userLock", (char*)&cm_userLock, LOCKTYPE_RW},
+ {"cm_volumeLock", (char*)&cm_volumeLock, LOCKTYPE_RW},
+ {"cm_daemonLock", (char*)&cm_daemonLock, LOCKTYPE_RW},
+ {"cm_dnlcLock", (char*)&cm_dnlcLock, LOCKTYPE_RW},
+ {"cm_utilsLock", (char*)&cm_utilsLock, LOCKTYPE_RW},
+ {"smb_globalLock", (char*)&smb_globalLock, LOCKTYPE_RW},
+ {"smb_rctLock", (char*)&smb_rctLock, LOCKTYPE_RW},
+ {"cm_Freelance_Lock",(char*)&cm_Freelance_Lock, LOCKTYPE_MUTEX},
+ {"cm_Afsdsbmt_Lock", (char*)&cm_Afsdsbmt_Lock, LOCKTYPE_MUTEX},
+ {"tokenEventLock", (char*)&tokenEventLock, LOCKTYPE_MUTEX},
+ {"smb_ListenerLock", (char*)&smb_ListenerLock, LOCKTYPE_MUTEX},
+ {"smb_RawBufLock", (char*)&smb_RawBufLock, LOCKTYPE_MUTEX},
+ {"smb_Dir_Watch_Lock",(char*)&smb_Dir_Watch_Lock, LOCKTYPE_MUTEX}
+};
+
+int
+SRXAFSCB_GetLock(struct rx_call *callp, long index, AFSDBLock *lockp)
+{
+ struct _ltable *tl; /*Ptr to lock table entry */
+ osi_rwlock_t *rwp;
+ osi_mutex_t *mtxp;
+ int nentries; /*Num entries in table */
+ int code; /*Return code */
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log3(afsd_logp, "SRXAFSCB_GetLock(%d) from host 0x%x port %d",
+ index, ntohl(host), ntohs(port));
+
+ nentries = sizeof(ltable) / sizeof(struct _ltable);
+ if (index < 0 || index >= nentries) {
+ /*
+ * Past EOF
+ */
+ code = 1;
+ } else {
+ /*
+ * Found it - copy out its contents.
+ */
+ tl = <able[index];
+ strncpy(lockp->name, tl->name, sizeof(lockp->name));
+ lockp->name[sizeof(lockp->name)-1] = '\0';
+ lockp->lock.waitStates = 0;
+ switch ( tl->type ) {
+ case LOCKTYPE_RW:
+ rwp = (osi_rwlock_t *)tl->addr;
+ lockp->lock.exclLocked = rwp->flags;
+ lockp->lock.readersReading = rwp->readers;
+ lockp->lock.numWaiting = rwp->waiters;
+ break;
+ case LOCKTYPE_MUTEX:
+ mtxp = (osi_mutex_t *)tl->addr;
+ lockp->lock.exclLocked = mtxp->flags;
+ lockp->lock.readersReading = 0;
+ lockp->lock.numWaiting = mtxp->waiters;
+ break;
+ }
+ lockp->lock.pid_last_reader = 0;
+ lockp->lock.pid_writer = 0;
+ lockp->lock.src_indicator = 0;
+ code = 0;
+ }
+
+ return code;
+}
+
+/* debug interface */
+int
+SRXAFSCB_GetCE(struct rx_call *callp, long index, AFSDBCacheEntry *cep)
+{
+ afs_uint32 i;
+ cm_scache_t * scp;
+ int code;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_GetCE from host 0x%x port %d",
+ ntohl(host), ntohs(port));
+
+ lock_ObtainRead(&cm_scacheLock);
+ for (i = 0; i < cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp = scp->nextp) {
+ if (index == 0)
+ goto searchDone;
+ index--;
+ } /*Zip through current hash chain */
+ } /*Zip through hash chains */
+
+ searchDone:
+ if (scp == NULL) {
+ /*Past EOF */
+ code = 1;
+ goto fcnDone;
+ }
+
+ /*
+ * Copy out the located entry.
+ */
+ memset(cep, 0, sizeof(AFSDBCacheEntry));
+ cep->addr = afs_data_pointer_to_int32(scp);
+ cep->cell = scp->fid.cell;
+ cep->netFid.Volume = scp->fid.volume;
+ cep->netFid.Vnode = scp->fid.vnode;
+ cep->netFid.Unique = scp->fid.unique;
+ cep->lock.waitStates = 0;
+ cep->lock.exclLocked = scp->rw.flags;
+ cep->lock.readersReading = 0;
+ cep->lock.numWaiting = scp->rw.waiters;
+ cep->lock.pid_last_reader = 0;
+ cep->lock.pid_writer = 0;
+ cep->lock.src_indicator = 0;
+ cep->Length = scp->length.LowPart;
+ cep->DataVersion = (afs_uint32)(scp->dataVersion & 0xFFFFFFFF);
+ cep->callback = afs_data_pointer_to_int32(scp->cbServerp);
+ if (scp->flags & CM_SCACHEFLAG_PURERO) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ cep->cbExpires = volp->cbExpiresRO;
+ cm_PutVolume(volp);
+ }
+ } else {
+ /* TODO: deal with time_t below */
+ cep->cbExpires = (afs_int32) scp->cbExpires;
+ }
+ cep->refCount = scp->refCount;
+ cep->opens = scp->openReads;
+ cep->writers = scp->openWrites;
+ switch (scp->fileType) {
+ case CM_SCACHETYPE_FILE:
+ cep->mvstat = 0;
+ break;
+ case CM_SCACHETYPE_MOUNTPOINT:
+ cep->mvstat = 1;
+ break;
+ case CM_SCACHETYPE_DIRECTORY:
+ if (scp->fid.vnode == 1 && scp->fid.unique == 1)
+ cep->mvstat = 2;
+ else
+ cep->mvstat = 3;
+ break;
+ case CM_SCACHETYPE_SYMLINK:
+ cep->mvstat = 4;
+ break;
+ case CM_SCACHETYPE_DFSLINK:
+ cep->mvstat = 5;
+ break;
+ case CM_SCACHETYPE_INVALID:
+ cep->mvstat = 6;
+ break;
+ }
+ cep->states = 0;
+ if (scp->flags & CM_SCACHEFLAG_STATD)
+ cep->states |= 1;
+ if (scp->flags & CM_SCACHEFLAG_RO || scp->flags & CM_SCACHEFLAG_PURERO)
+ cep->states |= 4;
+ if (scp->fileType == CM_SCACHETYPE_MOUNTPOINT &&
+ scp->mountPointStringp[0])
+ cep->states |= 8;
+ if (scp->flags & CM_SCACHEFLAG_WAITING)
+ cep->states |= 0x40;
+ code = 0;
+
+ /*
+ * Return our results.
+ */
+ fcnDone:
+ lock_ReleaseRead(&cm_scacheLock);
+
+ return (code);
+}
+
+/* debug interface */
+int
+SRXAFSCB_GetCE64(struct rx_call *callp, long index, AFSDBCacheEntry64 *cep)
+{
+ afs_uint32 i;
+ cm_scache_t * scp;
+ int code;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_GetCE64 from host 0x%x port %d",
+ ntohl(host), ntohs(port));
+
+ lock_ObtainRead(&cm_scacheLock);
+ for (i = 0; i < cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp = scp->nextp) {
+ if (index == 0)
+ goto searchDone;
+ index--;
+ } /*Zip through current hash chain */
+ } /*Zip through hash chains */
+
+ searchDone:
+ if (scp == NULL) {
+ /*Past EOF */
+ code = 1;
+ goto fcnDone;
+ }
+
+ /*
+ * Copy out the located entry.
+ */
+ memset(cep, 0, sizeof(AFSDBCacheEntry64));
+ cep->addr = afs_data_pointer_to_int32(scp);
+ cep->cell = scp->fid.cell;
+ cep->netFid.Volume = scp->fid.volume;
+ cep->netFid.Vnode = scp->fid.vnode;
+ cep->netFid.Unique = scp->fid.unique;
+ cep->lock.waitStates = 0;
+ cep->lock.exclLocked = scp->rw.flags;
+ cep->lock.readersReading = 0;
+ cep->lock.numWaiting = scp->rw.waiters;
+ cep->lock.pid_last_reader = 0;
+ cep->lock.pid_writer = 0;
+ cep->lock.src_indicator = 0;
+ cep->Length = (afs_int64) scp->length.QuadPart;
+ cep->DataVersion = (afs_uint32)(scp->dataVersion & 0xFFFFFFFF);
+ cep->callback = afs_data_pointer_to_int32(scp->cbServerp);
+ if (scp->flags & CM_SCACHEFLAG_PURERO) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ cep->cbExpires = volp->cbExpiresRO;
+ cm_PutVolume(volp);
+ }
+ } else {
+ /* TODO: handle time_t */
+ cep->cbExpires = (afs_int32) scp->cbExpires;
+ }
+ cep->refCount = scp->refCount;
+ cep->opens = scp->openReads;
+ cep->writers = scp->openWrites;
+ switch (scp->fileType) {
+ case CM_SCACHETYPE_FILE:
+ cep->mvstat = 0;
+ break;
+ case CM_SCACHETYPE_MOUNTPOINT:
+ cep->mvstat = 1;
+ break;
+ case CM_SCACHETYPE_DIRECTORY:
+ if (scp->fid.vnode == 1 && scp->fid.unique == 1)
+ cep->mvstat = 2;
+ else
+ cep->mvstat = 3;
+ break;
+ case CM_SCACHETYPE_SYMLINK:
+ cep->mvstat = 4;
+ break;
+ case CM_SCACHETYPE_DFSLINK:
+ cep->mvstat = 5;
+ break;
+ case CM_SCACHETYPE_INVALID:
+ cep->mvstat = 6;
+ break;
+ }
+ cep->states = 0;
+ if (scp->flags & CM_SCACHEFLAG_STATD)
+ cep->states |= 1;
+ if (scp->flags & CM_SCACHEFLAG_RO || scp->flags & CM_SCACHEFLAG_PURERO)
+ cep->states |= 4;
+ if (scp->fileType == CM_SCACHETYPE_MOUNTPOINT &&
+ scp->mountPointStringp[0])
+ cep->states |= 8;
+ if (scp->flags & CM_SCACHEFLAG_WAITING)
+ cep->states |= 0x40;
+ code = 0;
+
+ /*
+ * Return our results.
+ */
+ fcnDone:
+ lock_ReleaseRead(&cm_scacheLock);
+
+ return (code);
+}
+
+/* debug interface: not implemented */
+int
+SRXAFSCB_XStatsVersion(struct rx_call *callp, long *vp)
+{
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_XStatsVersion from host 0x%x port %d - not implemented",
+ ntohl(host), ntohs(port));
+ *vp = -1;
+
+ return RXGEN_OPCODE;
+}
+
+/* debug interface: not implemented */
+int
+SRXAFSCB_GetXStats(struct rx_call *callp, long cvn, long coln, long *srvp, long *timep,
+ AFSCB_CollData *datap)
+{
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_GetXStats from host 0x%x port %d - not implemented",
+ ntohl(host), ntohs(port));
+
+ return RXGEN_OPCODE;
+}
+
+int
+SRXAFSCB_InitCallBackState2(struct rx_call *callp, struct interfaceAddr* addr)
+{
+ if (cm_shutdown)
+ return 1;
+
+ osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState2 ->");
+
+ return SRXAFSCB_InitCallBackState3(callp, NULL);
+}
+
+/* debug interface */
+int
+SRXAFSCB_WhoAreYou(struct rx_call *callp, struct interfaceAddr* addr)
+{
+ int i;
+ long code;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_WhoAreYou from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+
+ lock_ObtainRead(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ lock_ConvertRToW(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ /* get network related info */
+ cm_noIPAddr = CM_MAXINTERFACE_ADDR;
+ code = syscfg_GetIFInfo(&cm_noIPAddr,
+ cm_IPAddr, cm_SubnetMask,
+ cm_NetMtu, cm_NetFlags);
+ cm_LanAdapterChangeDetected = 0;
+ }
+ lock_ConvertWToR(&cm_syscfgLock);
+ }
+
+ /* return all network interface addresses */
+ addr->numberOfInterfaces = cm_noIPAddr;
+ addr->uuid = cm_data.Uuid;
+ for ( i=0; i < cm_noIPAddr; i++ ) {
+ addr->addr_in[i] = cm_IPAddr[i];
+ addr->subnetmask[i] = cm_SubnetMask[i];
+ addr->mtu[i] = (rx_mtu == -1 || (rx_mtu != -1 && cm_NetMtu[i] < rx_mtu)) ?
+ cm_NetMtu[i] : rx_mtu;
+ }
+
+ lock_ReleaseRead(&cm_syscfgLock);
+
+ return 0;
+}
+
+int
+SRXAFSCB_InitCallBackState3(struct rx_call *callp, afsUUID* serverUuid)
+{
+ char *p = NULL;
+
struct sockaddr_in taddr;
- cm_server_t *tsp;
- cm_scache_t *scp;
- int hash;
+ cm_server_t *tsp = NULL;
+ cm_scache_t *scp = NULL;
+ cm_cell_t* cellp = NULL;
+ afs_uint32 hash;
int discarded;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
- osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState");
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
- if ((rx_ConnectionOf(callp)) && (rx_PeerOf(rx_ConnectionOf(callp)))) {
+ if (serverUuid) {
+ if (UuidToString((UUID *)serverUuid, &p) == RPC_S_OK) {
+ osi_Log1(afsd_logp, "SRXAFSCB_InitCallBackState3 Uuid%s ->",osi_LogSaveString(afsd_logp,p));
+ RpcStringFree(&p);
+ }
+
+ tsp = cm_FindServerByUuid(serverUuid, CM_SERVER_FILE);
+ }
+ if (!tsp)
+ tsp = cm_FindServerByIP(host, port, CM_SERVER_FILE);
+ if (tsp) {
+ cellp = tsp->cellp;
+ cm_PutServer(tsp);
+ }
+
+ if (!cellp)
+ osi_Log2(afsd_logp, "SRXAFSCB_InitCallBackState3 from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+ else
+ osi_Log3(afsd_logp, "SRXAFSCB_InitCallBackState3 from host 0x%x port %d for cell %s",
+ ntohl(host),
+ ntohs(port),
+ cellp->name /* does not need to be saved, doesn't change */);
+ } else {
+ osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState3 from unknown host");
+ }
+
+ if (connp && peerp) {
taddr.sin_family = AF_INET;
taddr.sin_addr.s_addr = rx_HostOf(rx_PeerOf(rx_ConnectionOf(callp)));
+ taddr.sin_port = rx_PortOf(rx_PeerOf(rx_ConnectionOf(callp)));
tsp = cm_FindServer(&taddr, CM_SERVER_FILE);
- osi_Log1(afsd_logp, "Init Callback State server %x", tsp);
+ osi_Log1(afsd_logp, "InitCallbackState3 server %x", tsp);
/* record the callback in the racing revokes structure. This
* shouldn't be necessary, since we shouldn't be making callback
* Anything that sneaks past both must start
* after the call to RecordRacingRevoke.
*/
- cm_RecordRacingRevoke(NULL, CM_RACINGFLAG_CANCELALL);
-
+ if (cellp) {
+ cm_fid_t fid;
+
+ fid.cell = cellp->cellID;
+ fid.volume = fid.vnode = fid.unique = 0;
+
+ cm_RecordRacingRevoke(&fid, CM_RACINGFLAG_CANCELALL);
+ } else {
+ cm_RecordRacingRevoke(NULL, CM_RACINGFLAG_CANCELALL);
+ }
+
/* now search all vnodes looking for guys with this callback, if we
* found it, or guys with any callbacks, if we didn't find the server
* (that's how multihomed machines will appear and how we'll handle
* are "rare," hopefully this won't be a problem.
*/
lock_ObtainWrite(&cm_scacheLock);
- for (hash = 0; hash < cm_hashTableSize; hash++) {
- for (scp=cm_hashTablep[hash]; scp; scp=scp->nextp) {
+ for (hash = 0; hash < cm_data.scacheHashTableSize; hash++) {
+ for (scp=cm_data.scacheHashTablep[hash]; scp; scp=scp->nextp) {
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- lock_ObtainMutex(&scp->mx);
+ lock_ObtainWrite(&scp->rw);
discarded = 0;
- if (scp->cbServerp != NULL) {
+ if (scp->cbExpires > 0 && scp->cbServerp != NULL) {
/* we have a callback, now decide if we should clear it */
- if (scp->cbServerp == tsp || tsp == NULL) {
- osi_Log1(afsd_logp, "Discarding SCache scp %x", scp);
+ if (cm_ServerEqual(scp->cbServerp, tsp)) {
+ osi_Log4(afsd_logp, "InitCallbackState3 Discarding SCache scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
cm_DiscardSCache(scp);
discarded = 1;
}
}
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
if (discarded)
cm_CallbackNotifyChange(scp);
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
+
+ if (discarded && (scp->flags & CM_SCACHEFLAG_PURERO))
+ cm_callbackDiscardROVolumeByFID(&scp->fid);
+
} /* search one hash bucket */
} /* search all hash buckets */
lock_ReleaseWrite(&cm_scacheLock);
- /* we're done with the server structure */
- if (tsp)
+ if (tsp) {
+ /* reset the No flags on the server */
+ cm_SetServerNo64Bit(tsp, 0);
+ cm_SetServerNoInlineBulk(tsp, 0);
+
+ /* we're done with the server structure */
cm_PutServer(tsp);
+ }
}
-
return 0;
}
-/* just returns if we're up */
-SRXAFSCB_Probe(struct rx_call *callp)
+/* debug interface */
+int
+SRXAFSCB_ProbeUuid(struct rx_call *callp, afsUUID* clientUuid)
{
- osi_Log0(afsd_logp, "SRXAFSCB_Probe - not implemented");
- return 0;
-}
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+ char *p,*q;
+ int code = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
-/* debug interface: not implemented */
-SRXAFSCB_GetCE64(struct rx_call *callp, long index, AFSDBCacheEntry *cep)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_GetCE64 - not implemented");
- return RXGEN_OPCODE;
+ if ( !afs_uuid_equal(&cm_data.Uuid, clientUuid) ) {
+ UuidToString((UUID *)&cm_data.Uuid, &p);
+ UuidToString((UUID *)clientUuid, &q);
+ osi_Log4(afsd_logp, "SRXAFSCB_ProbeUuid %s != %s from host 0x%x port %d",
+ osi_LogSaveString(afsd_logp,p),
+ osi_LogSaveString(afsd_logp,q),
+ ntohl(host),
+ ntohs(port));
+ RpcStringFree(&p);
+ RpcStringFree(&q);
+
+ code = 1; /* failure */
+ } else
+ osi_Log2(afsd_logp, "SRXAFSCB_ProbeUuid (success) from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+
+ return code;
}
-/* debug interface: not implemented */
-SRXAFSCB_GetLock(struct rx_call *callp, long index, AFSDBLock *lockp)
+/* debug interface */
+static int
+GetCellCommon(afs_int32 a_cellnum, char **a_name, serverList *a_hosts)
{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_GetLock - not implemented");
- return RXGEN_OPCODE;
-}
+ afs_int32 sn;
+ cm_cell_t * cellp;
+ cm_serverRef_t * serverRefp;
-/* debug interface: not implemented */
-SRXAFSCB_GetCE(struct rx_call *callp, long index, AFSDBCacheEntry *cep)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_GetCE - not implemented");
- return RXGEN_OPCODE;
-}
+ cellp = cm_FindCellByID(a_cellnum, CM_FLAG_NOPROBE);
+ if (!cellp) {
+ *a_name = strdup("");
+ return 0;
+ }
-/* debug interface: not implemented */
-SRXAFSCB_XStatsVersion(struct rx_call *callp, long *vp)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_XStatsVersion - not implemented");
- *vp = -1;
- return RXGEN_OPCODE;
-}
+ lock_ObtainRead(&cm_serverLock);
+ *a_name = strdup(cellp->name);
-/* debug interface: not implemented */
-SRXAFSCB_GetXStats(struct rx_call *callp, long cvn, long coln, long *srvp, long *timep,
- AFSCB_CollData *datap)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_GetXStats - not implemented");
- return RXGEN_OPCODE;
-}
+ for ( sn = 0, serverRefp = cellp->vlServersp;
+ sn < AFSMAXCELLHOSTS && serverRefp;
+ sn++, serverRefp = serverRefp->next);
-/* debug interface: not implemented */
-SRXAFSCB_InitCallBackState2(struct rx_call *callp, struct interfaceAddr* addr)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState2 - not implemented");
- return RXGEN_OPCODE;
-}
+ a_hosts->serverList_len = sn;
+ a_hosts->serverList_val = (afs_int32 *)xdr_alloc(sn * sizeof(afs_int32));
-/* debug interface: not implemented */
-SRXAFSCB_WhoAreYou(struct rx_call *callp, struct interfaceAddr* addr)
-{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_WhoAreYou - not implemented");
- return RXGEN_OPCODE;
+ for ( sn = 0, serverRefp = cellp->vlServersp;
+ sn < AFSMAXCELLHOSTS && serverRefp;
+ sn++, serverRefp = serverRefp->next)
+ {
+ a_hosts->serverList_val[sn] = ntohl(serverRefp->server->addr.sin_addr.s_addr);
+ }
+
+ lock_ReleaseRead(&cm_serverLock);
+ return 0;
}
-/* debug interface: not implemented */
-SRXAFSCB_InitCallBackState3(struct rx_call *callp, afsUUID* serverUuid)
+/* debug interface */
+int
+SRXAFSCB_GetCellByNum(struct rx_call *callp, afs_int32 a_cellnum,
+ char **a_name, serverList *a_hosts)
{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_InitCallBackState3 - not implemented");
- return RXGEN_OPCODE;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+ int rc;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log3(afsd_logp, "SRXAFSCB_GetCellByNum(%d) from host 0x%x port %d",
+ a_cellnum, ntohl(host), ntohs(port));
+
+ a_hosts->serverList_val = 0;
+ a_hosts->serverList_len = 0;
+
+
+ rc = GetCellCommon(a_cellnum, a_name, a_hosts);
+
+ return rc;
}
-/* debug interface: not implemented */
-SRXAFSCB_ProbeUuid(struct rx_call *callp, afsUUID* clientUuid)
+/* debug interface */
+int
+SRXAFSCB_TellMeAboutYourself( struct rx_call *callp,
+ struct interfaceAddr *addr,
+ Capabilities * capabilities)
{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_ProbeUuid - not implemented");
- return RXGEN_OPCODE;
+ int i;
+ afs_uint32 *dataBuffP;
+ afs_int32 dataBytes;
+ long code;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_TellMeAboutYourself from host 0x%x port %d",
+ ntohl(host),
+ ntohs(port));
+
+ lock_ObtainRead(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ lock_ConvertRToW(&cm_syscfgLock);
+ if (cm_LanAdapterChangeDetected) {
+ /* get network related info */
+ cm_noIPAddr = CM_MAXINTERFACE_ADDR;
+ code = syscfg_GetIFInfo(&cm_noIPAddr,
+ cm_IPAddr, cm_SubnetMask,
+ cm_NetMtu, cm_NetFlags);
+ cm_LanAdapterChangeDetected = 0;
+ }
+ lock_ConvertWToR(&cm_syscfgLock);
+ }
+
+ /* return all network interface addresses */
+ addr->numberOfInterfaces = cm_noIPAddr;
+ addr->uuid = cm_data.Uuid;
+ for ( i=0; i < cm_noIPAddr; i++ ) {
+ addr->addr_in[i] = cm_IPAddr[i];
+ addr->subnetmask[i] = cm_SubnetMask[i];
+ addr->mtu[i] = (rx_mtu == -1 || (rx_mtu != -1 && cm_NetMtu[i] < rx_mtu)) ?
+ cm_NetMtu[i] : rx_mtu;
+ }
+ lock_ReleaseRead(&cm_syscfgLock);
+
+ dataBytes = 1 * sizeof(afs_uint32);
+ dataBuffP = (afs_uint32 *) xdr_alloc(dataBytes);
+ dataBuffP[0] = CLIENT_CAPABILITY_ERRORTRANS;
+ capabilities->Capabilities_len = dataBytes / sizeof(afs_uint32);
+ capabilities->Capabilities_val = dataBuffP;
+
+ return 0;
}
/*------------------------------------------------------------------------
*------------------------------------------------------------------------*/
int SRXAFSCB_GetServerPrefs(
- struct rx_call *a_call,
+ struct rx_call *callp,
afs_int32 a_index,
afs_int32 *a_srvr_addr,
afs_int32 *a_srvr_rank)
{
- osi_Log0(afsd_logp, "SRXAFSCB_GetServerPrefs - not implemented");
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_GetServerPrefs from host 0x%x port %d - not implemented",
+ ntohl(host),
+ ntohs(port));
*a_srvr_addr = 0xffffffff;
*a_srvr_rank = 0xffffffff;
+
return 0;
}
* As advertised.
*------------------------------------------------------------------------*/
-int SRXAFSCB_GetCellServDB(
- struct rx_call *a_call,
- afs_int32 a_index,
- char **a_name,
- serverList *a_hosts)
+int SRXAFSCB_GetCellServDB(struct rx_call *callp, afs_int32 index, char **a_name,
+ serverList *a_hosts)
{
- char *t_name;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+ int rc;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
- osi_Log0(afsd_logp, "SRXAFSCB_GetCellServDB - not implemented");
+ osi_Log2(afsd_logp, "SRXAFSCB_GetCellServDB from host 0x%x port %d - not implemented",
+ ntohl(host), ntohs(port));
- t_name = (char *)malloc(AFSNAMEMAX);
- t_name[0] = '\0';
- *a_name = t_name;
- a_hosts->serverList_len = 0;
+#ifdef AFS_FREELANCE_CLIENT
+ if (cm_freelanceEnabled && index == 0) {
+ rc = GetCellCommon(AFS_FAKE_ROOT_CELL_ID, a_name, a_hosts);
+ } else
+#endif
+ {
+ rc = GetCellCommon(index+1, a_name, a_hosts);
+ }
return 0;
}
* As advertised.
*------------------------------------------------------------------------*/
-int SRXAFSCB_GetLocalCell(
- struct rx_call *a_call,
- char **a_name)
+int SRXAFSCB_GetLocalCell(struct rx_call *callp, char **a_name)
{
char *t_name;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
+
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
- osi_Log0(afsd_logp, "SRXAFSCB_GetLocalCell");
+ osi_Log2(afsd_logp, "SRXAFSCB_GetLocalCell from host 0x%x port %d",
+ ntohl(host), ntohs(port));
- if (cm_rootCellp) {
- t_name = (char *)malloc(strlen(cm_rootCellp->namep)+1);
- strcpy(t_name, cm_rootCellp->namep);
+ if (cm_data.rootCellp) {
+ t_name = strdup(cm_data.rootCellp->name);
} else {
- t_name = (char *)malloc(1);
+ t_name = (char *)xdr_alloc(1);
t_name[0] = '\0';
}
*a_name = t_name;
+
return 0;
}
* As advertised.
*------------------------------------------------------------------------*/
-int SRXAFSCB_GetCacheConfig(a_call, callerVersion, serverVersion,
- configCount, config)
-struct rx_call *a_call;
-afs_uint32 callerVersion;
-afs_uint32 *serverVersion;
-afs_uint32 *configCount;
-cacheConfig *config;
+int SRXAFSCB_GetCacheConfig(struct rx_call *callp,
+ afs_uint32 callerVersion,
+ afs_uint32 *serverVersion,
+ afs_uint32 *configCount,
+ cacheConfig *config)
{
afs_uint32 *t_config;
size_t allocsize;
extern cm_initparams_v1 cm_initParams;
+ struct rx_connection *connp;
+ struct rx_peer *peerp;
+ unsigned long host = 0;
+ unsigned short port = 0;
- osi_Log0(afsd_logp, "SRXAFSCB_GetCacheConfig - version 1 only");
+ if (cm_shutdown)
+ return 1;
+
+ if ((connp = rx_ConnectionOf(callp)) && (peerp = rx_PeerOf(connp))) {
+ host = rx_HostOf(peerp);
+ port = rx_PortOf(peerp);
+ }
+
+ osi_Log2(afsd_logp, "SRXAFSCB_GetCacheConfig from host 0x%x port %d - version 1 only",
+ ntohl(host), ntohs(port));
/*
* Currently only support version 1
*/
allocsize = sizeof(cm_initparams_v1);
- t_config = (afs_uint32 *)malloc(allocsize);
+ t_config = (afs_uint32 *)xdr_alloc(allocsize);
afs_MarshallCacheConfig(callerVersion, &cm_initParams, t_config);
*serverVersion = AFS_CLIENT_RETRIEVAL_FIRST_EDITION;
- *configCount = allocsize;
+#ifdef DEBUG
+#ifndef SIZE_MAX
+#define SIZE_MAX UINT_MAX
+#endif
+ osi_assertx(allocsize < SIZE_MAX, "allocsize >= SIZE_MAX");
+#endif
+ *configCount = (afs_uint32)allocsize;
config->cacheConfig_val = t_config;
- config->cacheConfig_len = allocsize/sizeof(afs_uint32);
+ config->cacheConfig_len = (*configCount)/sizeof(afs_uint32);
return 0;
}
/* called by afsd without any locks to initialize this module */
void cm_InitCallback(void)
{
- lock_InitializeRWLock(&cm_callbackLock, "cm_callbackLock");
+ lock_InitializeRWLock(&cm_callbackLock, "cm_callbackLock", LOCK_HIERARCHY_CALLBACK_GLOBAL);
cm_activeCallbackGrantingCalls = 0;
}
int cm_HaveCallback(cm_scache_t *scp)
{
#ifdef AFS_FREELANCE_CLIENT
- // yj: we handle callbacks specially for callbacks on the root directory
- // Since it's local, we almost always say that we have callback on it
- // The only time we send back a 0 is if we're need to initialize or
- // reinitialize the fake directory
-
- // There are 2 state variables cm_fakeGettingCallback and cm_fakeDirCallback
- // cm_fakeGettingCallback is 1 if we're in the process of initialization and
- // hence should return false. it's 0 otherwise
- // cm_fakeDirCallback is 0 if we haven't loaded the fake directory, it's 1
- // if the fake directory is loaded and this is the first time cm_HaveCallback
- // is called since then. We return false in this case to allow cm_GetCallback
- // to be called because cm_GetCallback has some initialization work to do.
- // If cm_fakeDirCallback is 2, then it means that the fake directory is in
- // good shape and we simply return true, provided no change is detected.
- int fdc, fgc;
-
if (cm_freelanceEnabled &&
- scp->fid.cell==AFS_FAKE_ROOT_CELL_ID && scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
- /* if it's something on /afs */
- if (!(scp->fid.vnode==0x1 && scp->fid.unique==0x1)) {
- /* if it's not root.afs */
- return 1;
+ scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
+ scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
+ if (cm_getLocalMountPointChange()) {
+ cm_clearLocalMountPointChange();
+ lock_ReleaseWrite(&scp->rw);
+ cm_reInitLocalMountPoints();
+ lock_ObtainWrite(&scp->rw);
}
-
- lock_ObtainMutex(&cm_Freelance_Lock);
- fdc = cm_fakeDirCallback;
- fgc = cm_fakeGettingCallback;
- lock_ReleaseMutex(&cm_Freelance_Lock);
-
- if (fdc==1) { // first call since init
- return 0;
- } else if (fdc==2 && !fgc) { // we're in good shape
- if (cm_getLocalMountPointChange()) { // check for changes
- cm_clearLocalMountPointChange(); // clear the changefile
- lock_ReleaseMutex(&scp->mx); // this is re-locked in reInitLocalMountPoints
- cm_reInitLocalMountPoints(); // start reinit
- lock_ObtainMutex(&scp->mx); // now get the lock back
- return 0;
- }
- return 1; // no change
- }
- return 0;
- }
+ return (cm_data.fakeDirVersion == scp->dataVersion);
+ }
#endif
-
+ if (cm_readonlyVolumeVersioning &&
+ (scp->flags & CM_SCACHEFLAG_PURERO)) {
+ cm_volume_t *volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ int haveCB = 0;
+ if (cm_OfflineROIsValid) {
+ switch (cm_GetVolumeStatus(volp, scp->fid.volume)) {
+ case vl_offline:
+ case vl_alldown:
+ case vl_unknown:
+ haveCB = 1;
+ break;
+ }
+ }
+ if (!haveCB &&
+ volp->creationDateRO == scp->volumeCreationDate &&
+ volp->cbServerpRO != NULL) {
+ haveCB = 1;
+ }
+ cm_PutVolume(volp);
+ return haveCB;
+ }
+ }
if (scp->cbServerp != NULL)
return 1;
- else
+ else
return 0;
}
lock_ObtainWrite(&cm_callbackLock);
cbrp->callbackCount = cm_callbackCount;
cm_activeCallbackGrantingCalls++;
- cbrp->startTime = osi_Time();
+ cbrp->startTime = time(NULL);
cbrp->serverp = NULL;
lock_ReleaseWrite(&cm_callbackLock);
}
/* Called at the end of a callback-granting call, to remove the callback
* info from the scache entry, if necessary.
*
- * Called with scp locked, so we can discard the callbacks easily with
+ * Called with scp write locked, so we can discard the callbacks easily with
* this locking hierarchy.
*/
void cm_EndCallbackGrantingCall(cm_scache_t *scp, cm_callbackRequest_t *cbrp,
- AFSCallBack *cbp, long flags)
+ AFSCallBack *cbp, AFSVolSync *volSyncp, long flags)
{
cm_racingRevokes_t *revp; /* where we are */
cm_racingRevokes_t *nrevp; /* where we'll be next */
int freeFlag;
- cm_server_t * serverp = 0;
+ cm_server_t * serverp = NULL;
+ int discardScp = 0, discardVolCB = 0;
lock_ObtainWrite(&cm_callbackLock);
if (flags & CM_CALLBACK_MAINTAINCOUNT) {
- osi_assert(cm_activeCallbackGrantingCalls > 0);
+ osi_assertx(cm_activeCallbackGrantingCalls > 0,
+ "CM_CALLBACK_MAINTAINCOUNT && cm_activeCallbackGrantingCalls == 0");
}
else {
- osi_assert(cm_activeCallbackGrantingCalls-- > 0);
+ osi_assertx(cm_activeCallbackGrantingCalls-- > 0,
+ "!CM_CALLBACK_MAINTAINCOUNT && cm_activeCallbackGrantingCalls == 0");
}
if (cm_activeCallbackGrantingCalls == 0)
freeFlag = 1;
/* record the callback; we'll clear it below if we really lose it */
if (cbrp) {
if (scp) {
- if (scp->cbServerp != cbrp->serverp) {
+ if (!cm_ServerEqual(scp->cbServerp, cbrp->serverp)) {
serverp = scp->cbServerp;
+ if (!freeFlag)
+ cm_GetServer(cbrp->serverp);
+ scp->cbServerp = cbrp->serverp;
+ } else {
+ if (freeFlag)
+ serverp = cbrp->serverp;
}
- scp->cbServerp = cbrp->serverp;
scp->cbExpires = cbrp->startTime + cbp->ExpirationTime;
} else {
- serverp = cbrp->serverp;
+ if (freeFlag)
+ serverp = cbrp->serverp;
}
- cbrp->serverp = NULL;
+ if (freeFlag)
+ cbrp->serverp = NULL;
}
/* a callback was actually revoked during our granting call, so
((revp->flags & CM_RACINGFLAG_CANCELVOL) &&
scp->fid.volume == revp->fid.volume)
||
- (revp->flags & CM_RACINGFLAG_CANCELALL))) {
+ ((revp->flags & CM_RACINGFLAG_CANCELALL) &&
+ (revp->fid.cell == 0 || scp->fid.cell == revp->fid.cell)))) {
/* this one matches */
osi_Log4(afsd_logp,
- "Racing revoke scp %x old cbc %d rev cbc %d cur cbc %d",
+ "Racing revoke scp 0x%p old cbc %d rev cbc %d cur cbc %d",
scp,
cbrp->callbackCount, revp->callbackCount,
cm_callbackCount);
- cm_DiscardSCache(scp);
- /*
- * Since we don't have a callback to preserve, it's
- * OK to drop the lock and re-obtain it.
- */
- lock_ReleaseMutex(&scp->mx);
- cm_CallbackNotifyChange(scp);
- lock_ObtainMutex(&scp->mx);
+ discardScp = 1;
+ if ((scp->flags & CM_SCACHEFLAG_PURERO) &&
+ (revp->flags & CM_RACINGFLAG_ALL))
+ cm_callbackDiscardROVolumeByFID(&scp->fid);
}
- if (freeFlag) free(revp);
+ if (freeFlag)
+ free(revp);
}
/* if we freed the list, zap the pointer to it */
- if (freeFlag) cm_racingRevokesp = NULL;
+ if (freeFlag)
+ cm_racingRevokesp = NULL;
lock_ReleaseWrite(&cm_callbackLock);
+ if ( discardScp ) {
+ cm_DiscardSCache(scp);
+ lock_ReleaseWrite(&scp->rw);
+ cm_CallbackNotifyChange(scp);
+ lock_ObtainWrite(&scp->rw);
+ } else {
+ if (scp && scp->flags & CM_SCACHEFLAG_PURERO) {
+ cm_volume_t * volp = cm_GetVolumeByFID(&scp->fid);
+ if (volp) {
+ if (volSyncp) {
+ lock_ObtainWrite(&cm_scacheLock);
+ volp->cbExpiresRO = scp->cbExpires;
+ volp->creationDateRO = volSyncp->spare1;
+ if (volp->cbServerpRO != scp->cbServerp) {
+ if (volp->cbServerpRO)
+ cm_PutServer(volp->cbServerpRO);
+ cm_GetServer(scp->cbServerp);
+ volp->cbServerpRO = scp->cbServerp;
+ }
+ lock_ReleaseWrite(&cm_scacheLock);
+ }
+ cm_PutVolume(volp);
+ }
+ }
+ }
+
if ( serverp ) {
lock_ObtainWrite(&cm_serverLock);
cm_FreeServer(serverp);
long cm_GetCallback(cm_scache_t *scp, struct cm_user *userp,
struct cm_req *reqp, long flags)
{
- long code;
- cm_conn_t *connp;
+ long code = 0;
+ cm_conn_t *connp = NULL;
AFSFetchStatus afsStatus;
AFSVolSync volSync;
AFSCallBack callback;
AFSFid tfid;
cm_callbackRequest_t cbr;
int mustCall;
- long sflags;
cm_fid_t sfid;
- struct rx_connection * callp;
+ struct rx_connection * rxconnp = NULL;
+ int syncop_done = 0;
- osi_Log2(afsd_logp, "GetCallback scp %x flags %lX", scp, flags);
+ memset(&volSync, 0, sizeof(volSync));
+
+ osi_Log4(afsd_logp, "GetCallback scp 0x%p cell %d vol %d flags %lX",
+ scp, scp->fid.cell, scp->fid.volume, flags);
#ifdef AFS_FREELANCE_CLIENT
// The case where a callback is needed on /afs is handled
// specially. We need to fetch the status by calling
- // cm_MergeStatus and mark that cm_fakeDirCallback is 2
- if (cm_freelanceEnabled) {
- if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
- scp->fid.volume==AFS_FAKE_ROOT_VOL_ID &&
- scp->fid.unique==0x1 &&
- scp->fid.vnode==0x1) {
-
- // Start by indicating that we're in the process
- // of fetching the callback
- lock_ObtainMutex(&cm_Freelance_Lock);
- osi_Log0(afsd_logp,"cm_getGetCallback fakeGettingCallback=1");
- cm_fakeGettingCallback = 1;
- lock_ReleaseMutex(&cm_Freelance_Lock);
+ // cm_MergeStatus
+ if (cm_freelanceEnabled &&
+ (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
+ scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)) {
- // Fetch the status info
- cm_MergeStatus(scp, &afsStatus, &volSync, userp, 0);
-
- // Indicate that the callback is not done
- lock_ObtainMutex(&cm_Freelance_Lock);
- osi_Log0(afsd_logp,"cm_getGetCallback fakeDirCallback=2");
- cm_fakeDirCallback = 2;
+ code = cm_SyncOp(scp, NULL, userp, reqp, 0,
+ CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK);
+ if (code)
+ goto done;
+ syncop_done = 1;
- // Indicate that we're no longer fetching the callback
- osi_Log0(afsd_logp,"cm_getGetCallback fakeGettingCallback=0");
- cm_fakeGettingCallback = 0;
- lock_ReleaseMutex(&cm_Freelance_Lock);
+ if (scp->dataVersion != cm_data.fakeDirVersion) {
+ memset(&afsStatus, 0, sizeof(afsStatus));
+ memset(&volSync, 0, sizeof(volSync));
- return 0;
- }
-
- if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID && scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
- osi_Log0(afsd_logp,"cm_getcallback should NEVER EVER get here... ");
+ // Fetch the status info
+ cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, reqp, 0);
}
+ goto done;
}
#endif /* AFS_FREELANCE_CLIENT */
mustCall = (flags & 1);
cm_AFSFidFromFid(&tfid, &scp->fid);
while (1) {
- if (!mustCall && cm_HaveCallback(scp)) return 0;
+ if (!mustCall && cm_HaveCallback(scp))
+ break;
/* turn off mustCall, since it has now forced us past the check above */
mustCall = 0;
/* otherwise, we have to make an RPC to get the status */
- sflags = CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK;
- cm_SyncOp(scp, NULL, NULL, NULL, 0, sflags);
+ if (!syncop_done) {
+ code = cm_SyncOp(scp, NULL, userp, reqp, 0,
+ CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK);
+ if (code)
+ break;
+ syncop_done = 1;
+ }
cm_StartCallbackGrantingCall(scp, &cbr);
sfid = scp->fid;
- lock_ReleaseMutex(&scp->mx);
+ lock_ReleaseWrite(&scp->rw);
/* now make the RPC */
- osi_Log1(afsd_logp, "CALL FetchStatus vp %x", (long) scp);
+ osi_Log4(afsd_logp, "CALL FetchStatus scp 0x%p vol %u vn %u uniq %u",
+ scp, sfid.volume, sfid.vnode, sfid.unique);
do {
- code = cm_Conn(&sfid, userp, reqp, &connp);
- if (code) continue;
+ code = cm_ConnFromFID(&sfid, userp, reqp, &connp);
+ if (code)
+ continue;
- callp = cm_GetRxConn(connp);
- code = RXAFS_FetchStatus(callp, &tfid,
+ rxconnp = cm_GetRxConn(connp);
+ code = RXAFS_FetchStatus(rxconnp, &tfid,
&afsStatus, &callback, &volSync);
- rx_PutConnection(callp);
+ rx_PutConnection(rxconnp);
} while (cm_Analyze(connp, userp, reqp, &sfid, &volSync, NULL,
&cbr, code));
code = cm_MapRPCError(code, reqp);
- osi_Log0(afsd_logp, "CALL FetchStatus DONE");
+ if (code)
+ osi_Log4(afsd_logp, "CALL FetchStatus FAILURE code 0x%x scp 0x%p vol %u vn %u",
+ code, scp, scp->fid.volume, scp->fid.vnode);
+ else
+ osi_Log4(afsd_logp, "CALL FetchStatus SUCCESS scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
- lock_ObtainMutex(&scp->mx);
- cm_SyncOpDone(scp, NULL, sflags);
+ lock_ObtainWrite(&scp->rw);
if (code == 0) {
- cm_EndCallbackGrantingCall(scp, &cbr, &callback, 0);
- cm_MergeStatus(scp, &afsStatus, &volSync, userp, 0);
- }
- else
- cm_EndCallbackGrantingCall(NULL, &cbr, NULL, 0);
+ cm_EndCallbackGrantingCall(scp, &cbr, &callback, &volSync, 0);
+ cm_MergeStatus(NULL, scp, &afsStatus, &volSync, userp, reqp, 0);
+ } else {
+ cm_EndCallbackGrantingCall(NULL, &cbr, NULL, NULL, 0);
+ }
+
+ /* if we got an error, return to caller */
+ if (code)
+ break;
+ }
+
+ done:
+ if (syncop_done)
+ cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_FETCHSTATUS | CM_SCACHESYNC_GETCALLBACK);
+
+ if (code) {
+ osi_Log2(afsd_logp, "GetCallback Failed code 0x%x scp 0x%p -->",code, scp);
+ osi_Log4(afsd_logp, " cell %u vol %u vn %u uniq %u",
+ scp->fid.cell, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
+ } else {
+ osi_Log3(afsd_logp, "GetCallback Complete scp 0x%p cell %d vol %d",
+ scp, scp->fid.cell, scp->fid.volume);
+ }
+
+ return code;
+}
- /* now check to see if we got an error */
- if (code) return code;
+
+/*
+ * cm_CBServersDownTime() returns 1 if the downTime parameter is valid.
+ *
+ * Servers with multiple interfaces have multiple cm_server_t objects
+ * which share the same UUID. If one interface is down but others are up,
+ * the server should not be considered down. The returned downTime should
+ * be the largest non-zero value if down or zero if up. If the cbServerp
+ * is down, it is updated to refer to an interface that is up (if one exists).
+ *
+ * called with cm_scacheLock held
+ */
+static long
+cm_CBServersDownTime(cm_scache_t *scp, cm_volume_t *volp, time_t * pdownTime)
+{
+ cm_vol_state_t *statep;
+ cm_serverRef_t *tsrp;
+ int alldown = 1;
+ time_t downTime = 0;
+ cm_server_t * upserver = NULL;
+ cm_server_t * downserver;
+
+ *pdownTime = 0;
+
+ if (scp->cbServerp == NULL)
+ return 1;
+
+ if (!(scp->cbServerp->flags & CM_SERVERFLAG_DOWN))
+ return 1;
+
+ statep = cm_VolumeStateByID(volp, scp->fid.volume);
+ if (statep) {
+ for (tsrp = statep->serversp; tsrp; tsrp=tsrp->next) {
+ if (tsrp->status == srv_deleted)
+ continue;
+
+ if (!cm_ServerEqual(tsrp->server, scp->cbServerp))
+ continue;
+
+ if (!(tsrp->server->flags & CM_SERVERFLAG_DOWN)) {
+ alldown = 0;
+ if (!upserver) {
+ upserver = tsrp->server;
+ cm_GetServer(upserver);
+ }
+ }
+
+ if (tsrp->server->downTime > downTime)
+ downTime = tsrp->server->downTime;
+ }
+ } else {
+ downTime = scp->cbServerp->downTime;
}
+
+ /* if the cbServerp does not match the current volume server list
+ * we report the callback server as up so the callback can be
+ * expired.
+ */
+
+ if (alldown) {
+ *pdownTime = downTime;
+ } else {
+ lock_ObtainWrite(&scp->rw);
+ downserver = scp->cbServerp;
+ scp->cbServerp = upserver;
+ lock_ReleaseWrite(&scp->rw);
+ cm_PutServer(downserver);
+ }
+ return 1;
}
/* called periodically by cm_daemon to shut down use of expired callbacks */
void cm_CheckCBExpiration(void)
{
- int i;
+ afs_uint32 i;
cm_scache_t *scp;
- long now;
+ cm_volume_t *volp;
+ enum volstatus volstate;
+ time_t now, downTime;
osi_Log0(afsd_logp, "CheckCBExpiration");
- now = osi_Time();
+ now = time(NULL);
lock_ObtainWrite(&cm_scacheLock);
- for (i=0; i<cm_hashTableSize; i++) {
- for (scp = cm_hashTablep[i]; scp; scp=scp->nextp) {
+ for (i=0; i<cm_data.scacheHashTableSize; i++) {
+ for (scp = cm_data.scacheHashTablep[i]; scp; scp=scp->nextp) {
+ volp = NULL;
cm_HoldSCacheNoLock(scp);
lock_ReleaseWrite(&cm_scacheLock);
- if (scp->cbExpires > 0 && (scp->cbServerp == NULL || now > scp->cbExpires)) {
- osi_Log1(afsd_logp, "Callback Expiration Discarding SCache scp %x", scp);
- lock_ObtainMutex(&scp->mx);
- cm_DiscardSCache(scp);
- lock_ReleaseMutex(&scp->mx);
- cm_CallbackNotifyChange(scp);
+
+ /*
+ * If this is not a PURERO object and there is no callback
+ * or it hasn't expired, there is nothing to do
+ */
+ if (!(scp->flags & CM_SCACHEFLAG_PURERO) &&
+ (scp->cbServerp == NULL || scp->cbExpires == 0 || now < scp->cbExpires))
+ goto scp_complete;
+
+ /*
+ * Determine the volume state and update the callback info
+ * to the latest if it is a PURERO object.
+ */
+ volp = cm_GetVolumeByFID(&scp->fid);
+ volstate = vl_unknown;
+ downTime = 0;
+ if (volp) {
+ if ((scp->flags & CM_SCACHEFLAG_PURERO) &&
+ volp->cbExpiresRO > scp->cbExpires && scp->cbExpires > 0)
+ {
+ lock_ObtainWrite(&scp->rw);
+ scp->cbExpires = volp->cbExpiresRO;
+ if (volp->cbServerpRO != scp->cbServerp) {
+ if (scp->cbServerp)
+ cm_PutServer(scp->cbServerp);
+ cm_GetServer(volp->cbServerpRO);
+ scp->cbServerp = volp->cbServerpRO;
+ }
+ lock_ReleaseWrite(&scp->rw);
+ }
+ volstate = cm_GetVolumeStatus(volp, scp->fid.volume);
}
+
+ /* If there is no callback or it hasn't expired, there is nothing to do */
+ if (scp->cbServerp == NULL || scp->cbExpires == 0 || now < scp->cbExpires)
+ goto scp_complete;
+
+ /* If the volume is known not to be online, do not expire the callback */
+ if (volstate != vl_online)
+ goto scp_complete;
+
+ /*
+ * If all the servers are down and the callback expired after the
+ * issuing server went down, do not expire the callback
+ */
+ if (cm_CBServersDownTime(scp, volp, &downTime) && downTime && downTime < scp->cbExpires)
+ goto scp_complete;
+
+ /* The callback has expired, discard the status info */
+ osi_Log4(afsd_logp, "Callback Expiration Discarding SCache scp 0x%p vol %u vn %u uniq %u",
+ scp, scp->fid.volume, scp->fid.vnode, scp->fid.unique);
+ lock_ObtainWrite(&scp->rw);
+ cm_DiscardSCache(scp);
+ lock_ReleaseWrite(&scp->rw);
+
+ cm_CallbackNotifyChange(scp);
+
+ scp_complete:
+ if (volp)
+ cm_PutVolume(volp);
+
lock_ObtainWrite(&cm_scacheLock);
cm_ReleaseSCacheNoLock(scp);
}
}
lock_ReleaseWrite(&cm_scacheLock);
+
+ osi_Log0(afsd_logp, "CheckCBExpiration Complete");
}
-/* debug interface: not implemented */
-int SRXAFSCB_GetCellByNum(struct rx_call *a_call, afs_int32 a_cellnum,
- char **a_name, serverList *a_hosts)
+
+void
+cm_GiveUpAllCallbacks(cm_server_t *tsp, afs_int32 markDown)
{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_GetCellByNum - not implemented");
- return RXGEN_OPCODE;
+ long code;
+ cm_conn_t *connp;
+ struct rx_connection * rxconnp;
+
+ if ((tsp->type == CM_SERVER_FILE) && !(tsp->flags & CM_SERVERFLAG_DOWN))
+ {
+ code = cm_ConnByServer(tsp, cm_rootUserp, &connp);
+ if (code == 0) {
+ rxconnp = cm_GetRxConn(connp);
+ rx_SetConnDeadTime(rxconnp, 10);
+ code = RXAFS_GiveUpAllCallBacks(rxconnp);
+ rx_SetConnDeadTime(rxconnp, ConnDeadtimeout);
+ rx_PutConnection(rxconnp);
+ }
+
+ if (markDown) {
+ cm_server_vols_t * tsrvp;
+ cm_volume_t * volp;
+ int i;
+
+ cm_ForceNewConnections(tsp);
+
+ lock_ObtainMutex(&tsp->mx);
+ if (!(tsp->flags & CM_SERVERFLAG_DOWN)) {
+ tsp->flags |= CM_SERVERFLAG_DOWN;
+ tsp->downTime = time(NULL);
+ }
+ /* Now update the volume status */
+ for (tsrvp = tsp->vols; tsrvp; tsrvp = tsrvp->nextp) {
+ for (i=0; i<NUM_SERVER_VOLS; i++) {
+ if (tsrvp->ids[i] != 0) {
+ cm_req_t req;
+
+ cm_InitReq(&req);
+ lock_ReleaseMutex(&tsp->mx);
+ code = cm_FindVolumeByID(tsp->cellp, tsrvp->ids[i], cm_rootUserp,
+ &req, CM_GETVOL_FLAG_NO_LRU_UPDATE | CM_GETVOL_FLAG_NO_RESET, &volp);
+ lock_ObtainMutex(&tsp->mx);
+ if (code == 0) {
+ cm_UpdateVolumeStatus(volp, tsrvp->ids[i]);
+ cm_PutVolume(volp);
+ }
+ }
+ }
+ }
+ lock_ReleaseMutex(&tsp->mx);
+ }
+ }
}
-/* debug interface: not implemented */
-int SRXAFSCB_TellMeAboutYourself(struct rx_call *a_call, afs_int32 a_cellnum,
- char **a_name, serverList *a_hosts)
+void
+cm_GiveUpAllCallbacksAllServers(afs_int32 markDown)
{
- /* XXXX */
- osi_Log0(afsd_logp, "SRXAFSCB_TellMeAboutYourself - not implemented");
- return RXGEN_OPCODE;
+ cm_server_t *tsp;
+
+ if (!cm_giveUpAllCBs)
+ return;
+
+ lock_ObtainWrite(&cm_serverLock);
+ for (tsp = cm_allServersp; tsp; tsp = tsp->allNextp) {
+ cm_GetServerNoLock(tsp);
+ lock_ReleaseWrite(&cm_serverLock);
+ cm_GiveUpAllCallbacks(tsp, markDown);
+ lock_ObtainWrite(&cm_serverLock);
+ cm_PutServerNoLock(tsp);
+ }
+ lock_ReleaseWrite(&cm_serverLock);
+}
+
+void
+cm_GiveUpAllCallbacksAllServersMulti(afs_int32 markDown)
+{
+ long code;
+ cm_conn_t **conns = NULL;
+ struct rx_connection **rxconns = NULL;
+ afs_int32 i, nconns = 0, maxconns;
+ cm_server_t ** serversp, *tsp;
+ afs_int32 *results;
+ time_t start, *deltas;
+
+ maxconns = cm_numFileServers;
+ if (maxconns == 0)
+ return;
+
+ conns = (cm_conn_t **)malloc(maxconns * sizeof(cm_conn_t *));
+ rxconns = (struct rx_connection **)malloc(maxconns * sizeof(struct rx_connection *));
+ deltas = (time_t *)malloc(maxconns * sizeof (time_t));
+ results = (afs_int32 *)malloc(maxconns * sizeof (afs_int32));
+ serversp = (cm_server_t **)malloc(maxconns * sizeof(cm_server_t *));
+
+ lock_ObtainRead(&cm_serverLock);
+ for (nconns=0, tsp = cm_allServersp; tsp && nconns < maxconns; tsp = tsp->allNextp) {
+ if (tsp->type != CM_SERVER_FILE ||
+ (tsp->flags & CM_SERVERFLAG_DOWN) ||
+ tsp->cellp == NULL /* SetPrefs only */)
+ continue;
+
+ cm_GetServerNoLock(tsp);
+ lock_ReleaseRead(&cm_serverLock);
+
+ serversp[nconns] = tsp;
+ code = cm_ConnByServer(tsp, cm_rootUserp, &conns[nconns]);
+ if (code) {
+ lock_ObtainRead(&cm_serverLock);
+ cm_PutServerNoLock(tsp);
+ continue;
+ }
+ lock_ObtainRead(&cm_serverLock);
+ rxconns[nconns] = cm_GetRxConn(conns[nconns]);
+ rx_SetConnDeadTime(rxconns[nconns], 10);
+
+ nconns++;
+ }
+ lock_ReleaseRead(&cm_serverLock);
+
+ if (nconns) {
+ /* Perform the multi call */
+ start = time(NULL);
+ multi_Rx(rxconns,nconns)
+ {
+ multi_RXAFS_GiveUpAllCallBacks();
+ results[multi_i]=multi_error;
+ } multi_End;
+ }
+
+ /* Process results of servers that support RXAFS_GetCapabilities */
+ for (i=0; i<nconns; i++) {
+ rx_SetConnDeadTime(rxconns[i], ConnDeadtimeout);
+ rx_PutConnection(rxconns[i]);
+ cm_PutConn(conns[i]);
+
+ tsp = serversp[i];
+ cm_GCConnections(tsp);
+
+ if (markDown) {
+ cm_server_vols_t * tsrvp;
+ cm_volume_t * volp;
+ int i;
+
+ cm_ForceNewConnections(tsp);
+
+ lock_ObtainMutex(&tsp->mx);
+ if (!(tsp->flags & CM_SERVERFLAG_DOWN)) {
+ tsp->flags |= CM_SERVERFLAG_DOWN;
+ tsp->downTime = time(NULL);
+ }
+ /* Now update the volume status */
+ for (tsrvp = tsp->vols; tsrvp; tsrvp = tsrvp->nextp) {
+ for (i=0; i<NUM_SERVER_VOLS; i++) {
+ if (tsrvp->ids[i] != 0) {
+ cm_req_t req;
+
+ cm_InitReq(&req);
+ lock_ReleaseMutex(&tsp->mx);
+ code = cm_FindVolumeByID(tsp->cellp, tsrvp->ids[i], cm_rootUserp,
+ &req, CM_GETVOL_FLAG_NO_LRU_UPDATE | CM_GETVOL_FLAG_NO_RESET, &volp);
+ lock_ObtainMutex(&tsp->mx);
+ if (code == 0) {
+ cm_UpdateVolumeStatus(volp, tsrvp->ids[i]);
+ cm_PutVolume(volp);
+ }
+ }
+ }
+ }
+ lock_ReleaseMutex(&tsp->mx);
+ }
+ }
+
+ free(conns);
+ free(rxconns);
+ free(deltas);
+ free(results);
+ free(serversp);
}
+
+
git://git.openafs.org / openafs.git / blobdiff